6464698918 has 8 divisors (see below), whose sum is σ = 10118659248. Its totient is φ = 3091812504.

The previous prime is 6464698861. The next prime is 6464698921. The reversal of 6464698918 is 8198964646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70268421 + ... + 70268512.

It is an arithmetic number, because the mean of its divisors is an integer number (1264832406).

Almost surely, 2^6464698918 is an apocalyptic number.

6464698918 is a deficient number, since it is larger than the sum of its proper divisors (3653960330).

6464698918 is a wasteful number, since it uses less digits than its factorization.

6464698918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140536958.

The product of its digits is 17915904, while the sum is 61.

The square root of 6464698918 is about 80403.3514102491. The cubic root of 6464698918 is about 1862.8709390635.

The spelling of 6464698918 in words is "six billion, four hundred sixty-four million, six hundred ninety-eight thousand, nine hundred eighteen".